Add code for basic Column, and stub more modules

Signed-off-by: Deepyaman Datta <[email protected]>

pandera/api/ibis/components.py

@@ -0,0 +1,7 @@
+"""Core Ibis schema component specifications."""
+
+from pandera.api.pandas.components import Column as _Column
+
+
+class Column(_Column):
+    """Validate types and properties of table columns."""

pandera/api/ibis/container.py

@@ -18,7 +18,7 @@ def validate(
         sample: Optional[int] = None,
         random_state: Optional[int] = None,
         lazy: bool = False,
-        inplace: bool = false,
+        inplace: bool = False,
     ) -> ir.Table:
         """Validate an Ibis table against the schema.
 
@@ -50,7 +50,7 @@ def validate(
         >>>
         >>> df = pd.DataFrame({
         ...     "probability": [0.1, 0.4, 0.52, 0.23, 0.8, 0.76],
-        ...     "category": ["dog", "dog", "cat", "duck", "dog", "dog"]
+        ...     "category": ["dog", "dog", "cat", "duck", "dog", "dog"],
         ... })
         >>> t = ibis.memtable(df, name="t")
         >>>

pandera/api/pyspark/components.py

@@ -1,4 +1,4 @@
-"""Core pyspark schema component specifications."""
+"""Core PySpark schema component specifications."""
 
 from typing import Any, Dict, Iterable, Optional, Tuple, Union
 

pandera/backends/ibis/__init__.py

@@ -0,0 +1,5 @@
+"""Ibis backend implementation for schemas and checks."""
+
+from pandera.api.checks import Check
+from pandera.api.ibis.container import DataFrameSchema
+from pandera.api.ibis.components import Column

pandera/ibis.py

@@ -0,0 +1,6 @@
+"""A flexible and expressive Ibis validation library."""
+# pylint: disable=unused-import
+import pandera.backends.ibis
+from pandera.api.checks import Check
+from pandera.api.ibis.components import Column
+from pandera.api.ibis.container import DataFrameSchema